100050105501 has 16 divisors (see below), whose sum is σ = 154666830720. Its totient is φ = 63800066880.

The previous prime is 100050105481. The next prime is 100050105553. The reversal of 100050105501 is 105501050001.

100050105501 is a `hidden beast` number, since 10 + 0 + 0 + 50 + 105 + 501 = 666.

It is not a de Polignac number, because 100050105501 - 2⁹ = 100050104989 is a prime.

It is a super-2 number, since 2×100050105501² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100050105581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80555020 + ... + 80556261.

It is an arithmetic number, because the mean of its divisors is an integer number (9666676920).

Almost surely, 2^100050105501 is an apocalyptic number.

It is an amenable number.

100050105501 is a deficient number, since it is larger than the sum of its proper divisors (54616725219).

100050105501 is a wasteful number, since it uses less digits than its factorization.

100050105501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161111313 (or 161111307 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 100050105501 its reverse (105501050001), we get a palindrome (205551155502).

The spelling of 100050105501 in words is "one hundred billion, fifty million, one hundred five thousand, five hundred one".